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David Haye and Mark de Mori have stepped up the trash talk ahead of their New Year showdown.

The pair will meet on January 16 in what will be Haye's comeback fight, his first since he knocked out Dereck Chisora at Upton Park in July 2012.

De Mori began the verbal jibing, posting a video to his Twitter page, questioning Britain's sporting prowess - in particular rugby and cricket - despite England's Ashes victory over his native Australia this summer

"To all the Brits out there - you suck at rugby, you suck at cricket, and on January 16 I'm going to prove you can't box either," he said.